EASY
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IMPORTANT
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Two black bodies and have equal surface areas and are maintained at temperatures and , respectively. What will be the ratio of the thermal energy radiated per second by to that by ?
(a)
(b)
(c)
(d)
(e)

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Important Questions on Thermometry, Thermal Expansion and Kinetic Theory of Gases
EASY
JEE Main
IMPORTANT
The absolute zero temperature in Fahrenheit scale is

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JEE Main
IMPORTANT
A faulty thermometer has its fixed points marked and If the temperature of a body as shown on the Celsius scale is then its temperature shown on this faulty thermometer is

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JEE Main
IMPORTANT
A steel rod of diameter is clamped firmly at each end when its temperature is so that it cannot contract on cooling. The tension in the rod at is approximately ,

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JEE Main
IMPORTANT
The temperature of a physical pendulum whose time period is is raised by . The change in its time period is,

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JEE Main
IMPORTANT
On heating, a liquid having coefficient of volume expansion in a container having coefficient of linear expansion , the level of the liquid in the container would,

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JEE Main
IMPORTANT
Two rods of lengths and are made of materials whose coefficient of linear expansions are and , respectively. If the difference between two lengths is independent of temperature, then,

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JEE Main
IMPORTANT
If two rods of lengths and having coefficient of linear expansion and , respectively, are connected end-on-end, the average coefficient of linear expansion of the composite rod equals,

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JEE Main
IMPORTANT
A solid ball of metal has a spherical cavity inside it. If the ball is heated, the volume of the cavity will,
